that is not sure
can you still boot into safe mode? tap the F8 during boot repeatedly
you can also run a disk diagnostic from the UBCD :
Hardware diagnostic CD UBCD
i suggest the UBCD to run some diags first - to be sure about the basics
go to the download page, scroll down to the mirror section, and click on a mirror to start the download
Download the UBCD and make the cd <<==on a WORKING PC, and boot the problem PC from it
Here 2 links, one to the general site, and a direct link to the download

since the downloaded file is an ISO file, you need to use an ISO burning tool
if you don't have that software, install cdburnerXP : http://cdburnerxp.se/

If you want also the Ram tested - run memtest86+ at least 1 full pass, - you should have NO errors!

For disk Diagnostics run the disk diag for your disk brand (eg seagate diag for seagate drive) from the HDD section - long or advanced diag ! (runs at least for30 minutes)

When I work on a laptop, the first thing I always check is for proper voltage output.
Many times I have had customers bring only their laptop in and think their battery is bad - then I plug in my universal adapter and the battery charges fine.
…

I am not new to IT, I have been working in the field since 1985. But recently I came up against something that stumped even me (it doesn't happen as often as I would like). I was running a screencasting session from the laptop to my TV via ChromeC…

Finding and deleting duplicate (picture) files can be a time consuming task. My wife and I, our three kids and their families all share one dilemma: Managing our pictures. Between desktops, laptops, phones, tablets, and cameras; over the last decade…

How to fix display issue, screen flickering issue when I plug in
power cord to the machine.
Before I start explaining the solution lets check out once the issue how it looks like
after I connect the power cord. most of you also have faced this…